5140390212 has 36 divisors (see below), whose sum is σ = 13206782316. Its totient is φ = 1685373120.

The previous prime is 5140390201. The next prime is 5140390231. The reversal of 5140390212 is 2120930415.

It can be written as a sum of positive squares in 2 ways, for example, as 68956416 + 5071433796 = 8304^2 + 71214^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×5140390212² = 52847223063250809888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1168203 + ... + 1172594.

Almost surely, 2^5140390212 is an apocalyptic number.

It is an amenable number.

5140390212 is an abundant number, since it is smaller than the sum of its proper divisors (8066392104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5140390212 is a wasteful number, since it uses less digits than its factorization.

5140390212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340868 (or 2340863 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 5140390212 is about 71696.5146433214. The cubic root of 5140390212 is about 1725.8327099961.

The spelling of 5140390212 in words is "five billion, one hundred forty million, three hundred ninety thousand, two hundred twelve".